getdataController.js

const axios = require('axios');

class getdataController{
  async index(req, res){
      try {
        const response = await axios.get('https://api.codenation.dev/v1/challenge/dev-ps/generate-data?token=TOKEN');
        const { cifrado } = response.data;
        var new_message = "";

        for(const letra of cifrado){
          let message = letra.charCodeAt(0);
          
          if(message >= 97 && message <= 122){
            let msg = message - response.data.numero_casas;

            if(new_message < 97){
              new_message += String.fromCharCode(122 - (96 - msg))
            }else{
              new_message += String.fromCharCode(msg);
            }

          }else{
            new_message += String.fromCharCode(message);
          }
        }
        console.log(new_message);
        
      } catch (error) {
        console.log(error);
      }

    }
  }

module.exports = new getdataController();